<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card class="box-card">
            <!-- 搜索和添加区域 -->
            <el-row :gutter="20">
                <el-col :span="7">
                    <el-input @clear="getUserList" clearable v-model="queryInfo.query" placeholder="请输入内容">
                        <el-button @click="getUserList()" slot="append" icon="el-icon-search"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>

            </el-row>
            <!-- 用户列表区域 -->
            <el-table :data="userList" :border="true" stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="姓名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="电话" prop="mobile"></el-table-column>
                <el-table-column label="角色" prop="role_name"></el-table-column>
                <el-table-column label="状态" prop="mg-state">
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)"></el-switch>
                        <!-- {{ scope.row.mg_state }} -->
                    </template>
                </el-table-column>
                <el-table-column label="操作">
                    <template slot-scope="scope">
                        <!-- 修改角色按钮 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini"
                            @click="showEditDiglog(scope.row.id)"></el-button>
                        <!-- 删除角色按钮 -->
                        <el-button @click="removeUserById(scope.row.id)" type="danger" icon="el-icon-delete"
                            size="mini"></el-button>
                        <!-- 分配角色按钮 -->

                        <el-tooltip class="item" effect="dark" :enterable="false" content="分配角色" placement="top">
                            <el-button type="warning" icon="el-icon-setting" size="mini"
                                @click="setRole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>

        </el-card>
        <!-- 分页区域 -->
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper" :total="total">
        </el-pagination>
        <!-- 添加用户对话框 -->
        <el-dialog title="添加用户" @close="addDialogClosed" :visible.sync="addDialogVisible" width="50%">
            <!-- 内容主体区域 -->
            <el-form :model="addFrom" :rules="addFromRules" ref="addFromRef" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addFrom.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addFrom.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addFrom.email"></el-input>
                </el-form-item>
                <el-form-item label="电话" prop="mobile">
                    <el-input v-model="addFrom.mobile"></el-input>
                </el-form-item>

            </el-form>
            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 编辑用户对话框 -->
        <el-dialog title="编辑用户" :visible.sync="demo" width="50%" @close="editDialogClosed">
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="demo = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 分配角色的对话框 -->
        <el-dialog title="角色分配" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
            <div>
                <p>当前的用户:{{ userInfo.username }}</p>
                <p>当前的角色:{{ userInfo.role_name }}</p>
                <p>分配新角色:<el-select v-model="selectedRoleId" placeholder="请选择">
                        <el-option v-for="item in roleList" :key="item.id" :label="item.roleName" :value="item.id">
                        </el-option>
                    </el-select></p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>
<script>
export default {

    data() {
        let checkEmail = (rule, value, cb) => {
            const regEmail = /^([a-zA-z0-9_-])+@([a-zA-z0-9_-])+(\.[a-zA-z0-9_-])+/
            if (regEmail.test(value)) {
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))
        }
        let checkMobile = (rule, value, cb) => {
            const regMobiple = /^(o|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
            if (regMobiple.test(value)) {
                return cb()
            }
            cb(new Error('请输入合法的电话'))
        }

        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            userList: [],
            total: 2,
            // 控制用户对话框的显示和隐藏
            addDialogVisible: false,
            addFrom: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            addFromRules: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    {
                        min: 3,
                        max: 10,
                        message: '用户名的长度在3~10个字符之间',
                        trigger: 'blur'
                    }
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    {
                        min: 5,
                        max: 15,
                        message: `密码的长度在5~15个字符之间`,
                        trigger: 'blur'
                    }
                ],
                email: [
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入电话', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }

                ]
            },
            //控制编辑用户对话框的显示和隐藏
            demo: false,
            //查询到的用户信息对象
            editForm: {},
            //修改表单的验证规则对象
            editFormRules: {
                email: [
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入电话', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            //控制分配角色的显示和隐藏
            setRoleDialogVisible: false,
            //需要被分配角色的用户信息
            userInfo: {},
            //所有角色的数据列表
            roleList: [],
            //已选中的角色id值
            selectedRoleId: ''
        }
    },
    created() {
        this.getUserList()
    },
    methods: {
        //获取用户信息
        async getUserList() {
            const { data: res } = await this.$http.get('users', { params: this.queryInfo })
            if (res.meta.status !== 200) return this.$message.error('获取用户列表失败')
            this.userList = res.data.users.slice(0, 25)
            this.total = 20
        },
        //监听pagesize 改变的事件
        handleSizeChange(newsize) {
            this.queryInfo.pagesize = newsize
            this.getUserList()
        },
        //监听页码值改变的事件
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        async userStateChange(value) {
            const { data: res } = await this.$http.put(`users/${value.id}/state/${value.mg_state}`)
            console.log(res);
            if (res.meta.status !== 200) {
                value.mg_state = !value.mg_state
                return this.$message.error('更新用户状态失败')
            }
            this.$message.success('更新用户状态成功')

        },
        //监听添加用户对话框的关闭事件
        addDialogClosed() {
            this.$refs.addFromRef.resetFields()
        },
        //确定添加用户
        addUser() {
            this.$refs.addFromRef.validate(async valid => {
                if (!valid) return
                const { data: res } = await this.$http.post('users', this.addFrom)
                if (res.meta.status !== 201) {
                    console.log(this.$message.error());
                    return this.$message.error('添加用户失败')
                }
                this.$message.success('添加用户成功')
                //隐藏用户对话框
                this.addDialogVisible = false
                //重新获取用户列表
                this.getUserList()
            })
        },
        //展示编辑用户的对话框
        async showEditDiglog(value) {
            const { data: res } = await this.$http.get('users/' + value)
            if (res.meta.status !== 200) return this.$message.error('修改用户失败')
            this.editForm = res.data
            this.demo = !this.demo
        },
        //监听修改用户对话框的关闭事件
        editDialogClosed() {
            this.$refs.editFormRef.resetFields()
        },
        editUserInfo() {
            this.$refs.editFormRef.validate(async valid => {
                if (!valid) return
                //发起修改用户信息的数据请求
                const { data: res } = await this.$http.put('users/' + this.editForm.id, {
                    email: this.editForm.email,
                    mobile: this.editForm.mobile
                })

                if (res.meta.status !== 200) return this.$message.error('修改失败')
                this.$message.success('修改成功')
                this.demo = false
                this.getUserList()
            })
        },
        //根据id删除指定的用户信息
        async removeUserById(id) {
            const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)
            //如果用户确认删除,则返回值为字符串 confirm
            //如果用户取消了删除,则返回值为字符串 cancel

            if (confirmResult !== 'confirm') return this.$message.info('已取消删除')
            const { data: res } = await this.$http.delete('users/' + id)
            if (res.meta.status !== 200) return this.$message.error('用户删除失败')
            this.$message.success('用户删除成功')
            //刷新用户页面
            this.getUserList()
        },
        //分配角色按钮
        async setRole(userInfo) {
            this.userInfo = userInfo
            //获取所有的用户数据
            const { data: res } = await this.$http.get('roles')
            if (res.meta.status !== 200) return this.$message.error('操作失败')
            this.roleList = res.data
            this.setRoleDialogVisible = true
        },
        //点击确定按钮,确定分配角色
        async saveRoleInfo() {
            if (!this.selectedRoleId) return this.$message.error('操作错误')
            const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectedRoleId })
            if (res.meta.status !== 200) return this.$message.error('操作失败')
            this.roleList = res.data
            this.getUserList()
            this.setRoleDialogVisible = false
        },
        //监听分配角色对话框的关闭事件
        setRoleDialogClosed() {
            this.selectedRoleId = ''
            this.userInfo = {}
        }
    }
}
</script>
<style lang="less" scoped></style>